Oasis Double Wall Vacuum Insulated Stainless Steel Bottle 1.5L Hammertone Grey Vacuum Insulated Oasis Water Bottles harness double-walled vacuum insulated technology to significantly reduce heat transfer by conduction or convection - drinks are able to stay much cooler or warmer for longer. The vacuum insulation technology also prevents condensation building up on the exterior of the water bottle; likewise, the exterior remains cool to touch while transporting hot drinks. 18/8 Stainless Steel - Made from quality 18/8 grade stainless steel inside and out, the Oasis Water bottles are highly-resistant to rust, odourless and built to last a lifetime. STAINLESS STEEL TWIST CAP WITH NO-LEAK SEAL - Each bottle features a tight-fitting stainless steel twist cap with silicone seal designed to ensure no leaks. STAYS COLD FOR UP TO 24 HOURS / STAYS HOT FOR UP TO 12 HOURS - Through the use of the vacuum insulated technology, drinks are able to stay cold for up to 24 hours or hot for up to 12 hours as external factors cannot permeate through the bottle's exterior, perfect for the harsh Australian climate. BPA-FREE, PBS-FREE, PHTHALATE-FREE Brand: Oasis Capacity: 1.5 Litre Size: 36cm (H) x 10cm (Diam.) Colour: Hammertone Grey